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sanity - definition and synonyms

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noun [uncountable]     sanity pronunciation in American English
  1. 1
    the ability to think and speak in a reasonable way and to behave normally
    doubt your sanity (=think you may be mentally ill):

    I was beginning to doubt my own sanity.

    keep/lose your sanity (=remain/not remain in good mental health):

    Poulton knew that if he wanted to keep his sanity he would have to escape.



to manipulate someone psychologically so that they begin to question their own perceptions and memories

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Dunning-Kruger effect

the phenomenon by which an incompetent person is too incompetent to understand his own incompetence

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